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Show Results For
- All HBS Web
(11,167)
- People (25)
- News (2,040)
- Research (6,520)
- Events (54)
- Multimedia (96)
- Faculty Publications (5,044)
- Article
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
We explain when and how staggered difference-in-differences regression estimators, commonly applied to assess the impact of policy changes, are biased. These biases are likely to be relevant for a large portion of research settings in finance, accounting, and law that... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" Journal of Financial Economics 144, no. 2 (May 2022): 370–395. (Editor's Choice, May 2022; Jensen Prize, First Place, June 2023.)
- Web
Value-Based Health Care - Institute For Strategy And Competitiveness
the correct provider, treatment, and setting. Geography of Care National centers of excellence providing care for exceedingly complex patients. Information Technology An information technology system View Details
- 16 Mar 2023
- Blog Post
HySynergy and Crossbridge Energy
HySynergy and Crossbridge Energy Grundfos: Innovation & Inspiration for Sustainable Product Design Arla Foods: How Sustainable Can A Dairy Company Be? Novo Nordisk Amager Bakke: A Look into the Future of... View Details
- May 2011
- Supplement
The Morrison Company, Spreadsheet Supplement (Brief Case)
By: Steven C. Wheelwright and Paul Myers
The Moral Leader: Challenges, Insights and Tools
Successful leaders – at any level and in any arena – are inevitably presented with moral and ethical choices. This unique and innovative textbook is designed to encourage students and managers to confront those fundamental moral challenges, to develop skills in... View Details
- 2022
- Book
Purpose + Profit: How Business Can Lift Up the World
By: George Serafeim
The roadmap and best practices to reap the enormous value that can emerge when your business prioritizes social and environmental goals—such as climate change, diversity and inclusion, and sustainability—right alongside the pursuit of profit.
We not only... View Details
We not only... View Details
Keywords: ESG (Environmental, Social, Governance) Performance; Profitability; Business And Society; Organizations; Mission and Purpose; Goals and Objectives; Social Issues; Environmental Sustainability; Value Creation; Organizational Change and Adaptation
Serafeim, George. Purpose + Profit: How Business Can Lift Up the World. New York: HarperCollins Leadership, 2022.
- August 2014
- Case
Opening the Valve: From Software to Hardware (A)
By: Ethan Bernstein, Francesca Gino and Bradley Staats
Valve, one of the world's top video game software companies, has also become an iconic example of an organization with virtually no hierarchy. A 400-person organization, Valve's unique organizational form (described in detail in the case and accompanying employee... View Details
Keywords: Valve; Self-Managed Organizations; Organization Design; Strategy; Flat Organization; Video Games; Organization Alignment; Family Business; Steam; Steam Machine; Design; Games, Gaming, and Gambling; Human Resources; Collaborative Innovation and Invention; Technological Innovation; Leadership Style; Management Practices and Processes; Organizational Design; Organizational Structure; Organizational Culture; Organizational Change and Adaptation; Groups and Teams; Alignment; Software; Hardware; Video Game Industry; Seattle
Bernstein, Ethan, Francesca Gino, and Bradley Staats. "Opening the Valve: From Software to Hardware (A)." Harvard Business School Case 415-015, August 2014.
- July 2025
- Teaching Note
Greenwood Online: A Fin-Tech Service for Culture and Community
By: James Riley and Bernal Cortés
In 2020, Ryan Glover and Paul Judge launched Greenwood, a fintech startup designed to counter systemic racial discrimination in the American banking ecosystem by offering accessible financial services tailored to Black and Brown communities, but available to all.... View Details
- February 2002 (Revised March 2002)
- Case
India's Intellectual Property Rights Regime and the Pharmaceutical Industry
In 1970, the Indian government significantly revised its patent law, Patents and Design Act of 1911. The 1911 act was enacted when India was a colony of Great Britain, and it was controversial because it led to the total dominance of India's pharmaceutical market by... View Details
Huang, Yasheng, and Hal Hogan. "India's Intellectual Property Rights Regime and the Pharmaceutical Industry." Harvard Business School Case 702-039, February 2002. (Revised March 2002.)
- 05 Jul 2006
- Working Paper Summaries
Exploring the Structure of Complex Software Designs: An Empirical Study of Open Source and Proprietary Code
- March 1991 (Revised December 1994)
- Case
Marks and Spencer Ltd. (A)
Marks and Spencer is a highly regarded retailer in the United Kingdom. This case examines the history of the firm, its organizational capabilities, and its long standing relationships with employees, customers, and suppliers. Also discusses the firm's expansion into... View Details
Montgomery, Cynthia A. "Marks and Spencer Ltd. (A)." Harvard Business School Case 391-089, March 1991. (Revised December 1994.)
- November 2021 (Revised January 2022)
- Case
Nicole M. Jones and The Hangar℠: Delta Air Lines' Global Innovation Center
By: Linda A. Hill and Emily Tedards
In 2016, Nicole M. Jones was hired to lead The Hangar, Delta Air Lines’ new innovation center in Atlanta, Georgia. Delta’s leadership had intended for The Hangar to catalyze a new approach to innovation at the company. After conducting three months of research on... View Details
Keywords: Innovation Lab; Breakthrough Innovation; Biometric Technology; Innovation and Invention; Leadership; Innovation and Management; Collaborative Innovation and Invention; Innovation Strategy; Technological Innovation; Georgia (state, US)
Hill, Linda A., and Emily Tedards. "Nicole M. Jones and The Hangar℠: Delta Air Lines' Global Innovation Center." Harvard Business School Case 422-042, November 2021. (Revised January 2022.)
- Article
The Electrification Accelerator: Understanding the Implications of Autonomous Vehicles for Electric Utilities
By: Jurgen Weiss, Ryan Hledik, Roger Lueken, Tony Lee and Will Gorman
The intersection of autonomous vehicles, ride sharing and transportation electrification could have significant implications for electric utilities. This paper analyses how the development of shared autonomous electric vehicles may make electrified transportation more... View Details
Keywords: Electrification; Autonomous Vehicle; Electric Vehicle; Electric Utility; Rate Design; Regulation; Energy; Transportation; Energy Industry; Transportation Industry; Auto Industry
Weiss, Jurgen, Ryan Hledik, Roger Lueken, Tony Lee, and Will Gorman. "The Electrification Accelerator: Understanding the Implications of Autonomous Vehicles for Electric Utilities." Electricity Journal 30, no. 10 (December 2017): 50–57.
- November 2010 (Revised December 2015)
- Background Note
Spans of Control and Accountability
By: Eugene F. Soltes
Overview of Spans of Control and Accountability. View Details
Keywords: Organizational Design
Soltes, Eugene F. "Spans of Control and Accountability." Harvard Business School Background Note 111-066, November 2010. (Revised December 2015.)
- 18 Oct 2011
- Working Paper Summaries
Historical Trajectories and Corporate Competences in Wind Energy
- 15 Dec 2024
- News
Alumni and Faculty Books
and fears. Tantalizing possibilities spur us to innovate and explore. Yet, we also strive to reduce uncertainty. Mountain climbers and deep-sea divers plan carefully. Rules,... View Details
- 23 May 2023
- Research & Ideas
Lessons on Life, Graffiti, and Value: 'It's in That Darkness That You Can Actually Develop and Evolve'
Design Institute to create and support opportunities for Black entrepreneurs. “The pattern recognition that stems from my learning differences and unique perspective does help... View Details
Keywords: by Christina Pazzanese, Harvard Gazette
- 25 Apr 2023
- Op-Ed
How SHEIN and Temu Conquered Fast Fashion—and Forged a New Business Model
2021. SHEIN uses data and software to match consumer demand for designs to the capabilities of particular members of its manufacturing network, View Details
- May 2011
- Supplement
Baria Planning Solutions, Inc.: Fixing the Sales Process, Faculty Spreadsheet (Brief Case)
By: Steven C. Wheelwright and William Schmidt
- May 2011
- Supplement
Baria Planning Solutions, Inc.: Fixing the Sales Process, Spreadsheet Supplement (Brief Case)
By: Steven C. Wheelwright and William Schmidt